SuSE 11.2 Security Update : Xen (SAT Patch Number 7133)

This script is Copyright (C) 2013 Tenable Network Security, Inc.


Synopsis :

The remote SuSE 11 host is missing one or more security updates.

Description :

This update fixes the following security issues in xen :

- Grant table version switch list corruption vulnerability
(XSA-26). (CVE-2012-5510)

- Several HVM operations do not validate the range of
their inputs (XSA-27). (CVE-2012-5511)

- HVMOP_get_mem_access crash / HVMOP_set_mem_access
information leak (XSA-28). (CVE-2012-5512)

- XENMEM_exchange may overwrite hypervisor memory
(XSA-29). (CVE-2012-5513)

- Missing unlock in
guest_physmap_mark_populate_on_demand() (XSA-30).
(CVE-2012-5514)

- Several memory hypercall operations allow invalid extent
order values (XSA-31) Also the following bugs have been
fixed and upstream patches have been applied:.
(CVE-2012-5515)

- FATAL PAGE FAULT in hypervisor (arch_do_domctl)

- 25931-x86-domctl-iomem-mapping-checks.patch

- 26132-tmem-save-NULL-check.patch

- 26134-x86-shadow-invlpg-check.patch

- 26148-vcpu-timer-overflow.patch (Replaces
CVE-2012-4535-xsa20.patch)

- 26149-x86-p2m-physmap-error-path.patch (Replaces
CVE-2012-4537-xsa22.patch)

- 26150-x86-shadow-unhook-toplevel-check.patch (Replaces
CVE-2012-4538-xsa23.patch)

- 26151-gnttab-compat-get-status-frames.patch (Replaces
CVE-2012-4539-xsa24.patch)

- efi files missing in latest XEN update. (bnc#792476)

See also :

https://bugzilla.novell.com/show_bug.cgi?id=777628
https://bugzilla.novell.com/show_bug.cgi?id=789940
https://bugzilla.novell.com/show_bug.cgi?id=789944
https://bugzilla.novell.com/show_bug.cgi?id=789945
https://bugzilla.novell.com/show_bug.cgi?id=789948
https://bugzilla.novell.com/show_bug.cgi?id=789950
https://bugzilla.novell.com/show_bug.cgi?id=789951
https://bugzilla.novell.com/show_bug.cgi?id=789988
https://bugzilla.novell.com/show_bug.cgi?id=792476
http://support.novell.com/security/cve/CVE-2012-4535.html
http://support.novell.com/security/cve/CVE-2012-4537.html
http://support.novell.com/security/cve/CVE-2012-4538.html
http://support.novell.com/security/cve/CVE-2012-4539.html
http://support.novell.com/security/cve/CVE-2012-5510.html
http://support.novell.com/security/cve/CVE-2012-5511.html
http://support.novell.com/security/cve/CVE-2012-5512.html
http://support.novell.com/security/cve/CVE-2012-5513.html
http://support.novell.com/security/cve/CVE-2012-5514.html
http://support.novell.com/security/cve/CVE-2012-5515.html

Solution :

Apply SAT patch number 7133.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)

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